On perturbation of operators and Rayleigh-Schrödinger coefficients (Q6200835)
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scientific article; zbMATH DE number 7823173
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On perturbation of operators and Rayleigh-Schrödinger coefficients |
scientific article; zbMATH DE number 7823173 |
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On perturbation of operators and Rayleigh-Schrödinger coefficients (English)
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25 March 2024
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perturbation of Hermitian operators
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eigenvalue expansion
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